MAX7313 データシートの表示（PDF） - Maxim Integrated
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コンポーネント説明
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MAX7313
Maxim Integrated
MAX7313 Datasheet PDF : 26 Pages
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16-Port I/O Expander with LED Intensity
Control, Interrupt, and Hot-Insertion Protection
Table 4. Configuration Register (continued)
REGISTER
CONFIGURATION
ADDRESS
CODE
REGISTER DATA
(HEX)
D7
D6
D5
D4
D3
D2
D1
D0
R/W
Write device configuration
0
Read back device configuration
1
Disable global intensity control—intensity
is set by registers 0x10–0x17 for ports P0
through P15 when configured as outputs, —
and by D3–D0 of register 0x0E for
INT/O16 when INT/O16 pin is configured
as an output port
INT
X
O1 O0
I
O
G
B
E
X
X
X
X
X
0
X
X
Enable global intensity control—intensity
for all ports configured as outputs is set —
by D3–D0 of register 0x0E
X
X
X
X
X
1
X
X
Disable data change interrupt—INT/O16
output is controlled by the O0 and O1 bits
—
X
X
X
X
0
X
X
X
Enable data change interrupt—INT/O16
output is controlled by port input data —
0x0F
X
X
X
X
1
X
X
X
change
INT/O16 output is low (blink is disabled) —
X
X
X
0
0
X
X
0
INT/O16 output is high impedance (blink
is disabled)
—
X
X
X
1
0
X
X
0
INT/O16 output is low during blink phase 0 —
X
X
X
0
0
X
X
1
INT/O16 output is high impedance during —
blink phase 0
INT/O16 output is low during blink phase 1 —
X
X
X
1
0
X
X
1
X
X
0
X
0
X
X
1
INT/O16 output is high impedance during
blink phase 1
—
X
X
1
X
0
X
X
1
Read-back data change interrupt status
—data change is not detected, and
INT/O16 output is high when interrupt
1
enable (I bit) is set
0
0
X
X
X
X
X
X
Read-back data change interrupt status
—data change is detected, and INT/O16
output is low when interrupt enable (I bit) 1
is set
X = Don’t care.
1
0
X
X
X
X
X
X
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